The $3 Billion Billing Gap: Quantifying How Billing Experience Impacts cNPS and Churn
T-Mobile leads wireless bill clarity cNPS at +17.7, a 10-point advantage over Verizon (+7.1) and 12-point advantage over AT&T (+5.5). Billing issues drive churn intent at a 2.5x multiplier—customers reporting billing errors or confusing bills show 32.5% churn intent versus 13.2% for those without billing issues. At an estimated customer lifetime value of $1,000+, billing-related churn represents $2-3 billion in annual revenue risk across the Big Three carriers.